Is this compatible with both 115V and 230V systems

the coil on the KZ-4000-5 is specifically designed for 120 Vac operation

making it less susceptible to the thermal shock and mechanical vibration that often leads to premature failures in standard 120V ignition systems

causing chronic inrush current levels

Enclosed Protection: The rugged housing prevents contact contamination

Lochinvar & A.O. Smith 100289450 O-Ring R-407A Is this compatible with bothThe Lochinvar & A. O. Smith 100289450 O Ring is a critical sealing component designed for high performance gas valve assemblies and burner systems. As an OEM gas valve gasket replacement, this heavy duty sealing ring is engineered from advanced synthetic rubber to provide a precision fit across various hydronic heating platforms. This specific part number, 100289450, serves as the direct replacement for 100288891, ensuring backward compatibility for